Home / 120,617,755.24-166,452,376.26-65,613,480.52

Finding the Fourth Proportional to 120,617,755.24, 166,452,376.26 and 65,613,480.52

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Solution

The fourth proportional to 120,617,755.24, 166,452,376.26 and 65,613,480.52 is: 90,546,534.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,617,755.24 : 166,452,376.26 = 65,613,480.52 : x
  2. Step 2: Convert to fraction form
    120,617,755.24/166,452,376.26 = 65,613,480.52/x
  3. Step 3: Cross multiply
    120,617,755.24x = 166,452,376.26 × 65,613,480.52
  4. Step 4: Simplify right side
    120,617,755.24x = 10,921,519,747,243,220
  5. Step 5: Solve for x
    x = 10,921,519,747,243,220/120,617,755.24
  6. Step 6: Final answer
    x = 90,546,534.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.